<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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    <link rel="stylesheet" href="./res/style.css">
</head>

<body>

    <div id='app'>
        <div class="box" v-if="books.length">
            <table>
                <thead>
                    <tr>
                        <th></th>
                        <th>书籍名称</th>
                        <th>出版日期</th>
                        <th>价格</th>
                        <th>购买数量</th>
                        <th>操作</th>
                    </tr>
                </thead>
                <tbody>
                    <tr v-for="(item,index) in books">
                        <td>{{item.id}}</td>
                        <td>{{item.name}}</td>
                        <td>{{item.data}}</td>
                        <td>￥{{item.price.toFixed(2)}}</td>
                        <td>
                            <button @click="less(index)" :disabled="item.count==0">-</button>
                            {{item.count}}
                            <button @click="add(index)">+</button>
                        </td>
                        <td>
                            <button class="remove" @click="Remove(index)">移除</button>
                        </td>
                    </tr>
                </tbody>
            </table>
            <p>总价:￥{{sum.toFixed(2)}}</p>
        </div>
        <h1 v-else>购物车为空</h1>
    </div>
    <script src="./js/vue.js"></script>
    <script src="./js/main.js"></script>

</body>

</html>